package com.example.rabbitmqdemo.config;

import org.springframework.amqp.core.ReturnedMessage;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.transaction.RabbitTransactionManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: hp
 * Date: 2025-04-03
 * Time: 19:44
 */
@Configuration
public class RabbitTemplateConfig {
    @Bean
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        return rabbitTemplate;
    }

    @Bean
    public RabbitTemplate confirmRabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        //设置回调函数
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                System.out.println("执行了confirm方法");
                if (ack) {
                    System.out.printf("接收到消息, 消息ID: %s \n",correlationData == null ? null : correlationData.getId());
                }else {
                    System.out.printf("未接收到消息, 消息ID: %s, cause: %s \n",correlationData == null ? null : correlationData.getId(),cause);
                    //相应的业务处理
                }
            }
        });
        //return模式
        rabbitTemplate.setMandatory(true);
        rabbitTemplate.setReturnsCallback(new RabbitTemplate.ReturnsCallback() {
            @Override
            public void returnedMessage(ReturnedMessage returnedMessage) {
                System.out.println("消息退回: " + returnedMessage);
            }
        });
        return rabbitTemplate;
    }

    @Bean("transRabbitTemplate")
    public RabbitTemplate transRabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setChannelTransacted(true);//开启事务
        return rabbitTemplate;
    }

    @Bean
    public RabbitTransactionManager rabbitTransactionManager(ConnectionFactory connectionFactory) {
        return new RabbitTransactionManager(connectionFactory);
    }

}
